Premature nodeos shutdown when unable to connect to P2P

[jgiszczak]

When a second node comes up too quickly after an earlier node it is supposed to connect to has launched, nodeos can encounter a boost exception and shut down.

error 2023-07-27T20:43:09.819 net-0     net_plugin.cpp:4091           operator()           ] Exception in net plugin thread pool, exiting: 13 N5boost10wrapexceptINS_6system12system_errorEEE: remote_endpoint: Bad file descriptor [system:9 at /home/giszczakj/Dev/leap/libraries/boost/libs/asio/include/boost/asio/detail/reactive_socket_service.hpp:218 in function 'remote_endpoint']
remote_endpoint: Bad file descriptor [system:9 at /home/giszczakj/Dev/leap/libraries/boost/libs/asio/include/boost/asio/detail/reactive_socket_service.hpp:218 in function 'remote_endpoint']: 
    {"what":"remote_endpoint: Bad file descriptor [system:9 at /home/giszczakj/Dev/leap/libraries/boost/libs/asio/include/boost/asio/detail/reactive_socket_service.hpp:218 in function 'remote_endpoint']"}
    net-0  thread_utils.hpp:131 run_thread

info  2023-07-27T20:43:09.819 nodeos    resource_monitor_plugi:140    plugin_shutdown      ] shutdown...

which happens after

info  2023-07-27T20:42:39.820 nodeos    listener.hpp:131              log_listening        ] start listening on 127.0.0.1:8888 resolved from localhost:8888 for API categories: all
error 2023-07-27T20:42:39.820 net-0     net_plugin.cpp:2678           operator()           ] connection failed to localhost:9776, Connection refused
debug 2023-07-27T20:42:39.820 net-0     net_plugin.cpp:1235           set_state            ] old connection 1 state connecting becoming closing
info  2023-07-27T20:42:39.820 net-0     net_plugin.cpp:1345           _close               ] ["localhost:9776" - 1 :] closing
debug 2023-07-27T20:42:39.820 net-0     net_plugin.cpp:1235           set_state            ] old connection 1 state closing becoming closed

[jgiszczak]

Exception was introduced by an error in code still in flight.